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Interpump PUMP WK5021 DX CON KIT PIEDI - Pumps & Compressors
InterpumpPumps & Compressors

Interpump PUMP WK5021 DX CON KIT PIEDI

Interpump WK5021 DX is an industrial pump delivering 21 L/min at 500 bar, rated 20.59 kW, designed for high-pressure applications requiring compact, reliable fluid delivery in manufacturing and processing systems.

SKU 3G-ITP-01817

Also listed as: WK5021099 · WK5021 099

Brand
Interpump
Item
PUMP WK5021 DX CON KIT PIEDI
Part Number
WK5021-099
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Interpump
Flow Rate
21 L/min
Pressure
500 bar
Power
20.59 kW
Speed
1450 RPM
Weight
21.5 kg
Dimensions
350 mm
Manufacturer Part Number
WK5021
Power
28 HP
Flow (US)
5.55 GPM
Pressure
50 MPa
Pressure
7250 PSI

Technical Documents

(1)
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Interpump Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Interpump WK5021 DX is an industrial pump delivering 21 L/min at 500 bar, rated 20.59 kW, designed for high-pressure applications requiring compact, reliable fluid delivery in manufacturing and processing systems.

Frequently Asked Questions

What is the Interpump WK5021 DX industrial pump used for?

The Interpump WK5021 DX is an industrial pump designed for high-pressure fluid delivery in manufacturing and processing systems. It delivers 21 L/min at 500 bar, making it suitable for applications such as water jet cutting, pressure washing, and hydraulic power units that require compact, reliable performance.

What are the specifications of the Interpump WK5021 pump?

The Interpump WK5021 pump delivers 21 L/min at 500 bar (7250 psi) with a rotation regime of 1450 rpm. It is rated at 20.59 kW (28 hp) and weighs 21.5 kg. Overall dimensions are 350x243x187.5 mm. The pump features a male shaft with key and includes seal kits and valve components as per the manufacturer datasheet.

Where to buy the Interpump WK5021 pump in Singapore?

You can source the Interpump WK5021 pump through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this industrial pump. As an authorized distributor, we ensure genuine Interpump products for your high-pressure applications.

How to install the Interpump WK5021 pump?

Install the Interpump WK5021 pump on a rigid, level base using the pump feet provided. Align the male shaft with the coupling, ensuring proper key fit. Connect inlet and outlet lines per the manufacturer's diagram, using the specified O-rings and seals. Fill crankcase with recommended oil to the sight glass level before startup.

Used in

Common applications for Interpump
Shipyard hull cleaning and surface prep — HT100 and W951 paired with dual-lance guns for dockyard service
Petrochemical heat-exchanger descaling — WS-series stainless pumps for neutral-pH cleaning chemistry
Outdoor HVAC condenser mist cooling — ZP180 pumps on rooftop chiller decks
Textile fibre-finishing — W170 and W270 for mist-jet application across drying lines
Municipal water treatment — W951 motor pumps for high-pressure disinfection chemical injection

Spare Parts & Repair Kits

Official WK5021 parts list107 parts, 54 available in catalog

Official Parts List
WK5021 — Male shaft (key) exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT2
KIT 2 OIL SEAL D. 22X32X5,5
34000201×1Available
KIT3
KIT 3 OIL SEAL D.30X55X7
34000301×1Available
View
KIT150
KIT 150 INTAKE/DEL.VALVE
34015001×1Available
KIT176
KIT176 COMPLETE SEALS D.18
34017601×1Available
View
KIT180
KIT 180 SEALS D. 18
34018001×1Available
View

Individual Components

PosCodeDescriptionQty
3
PLUG G1/8X8 S.S.
98197200×3Available
View
7
O-RING 17,12X2,62 (3068)
90384100×6Available
View
8
VALVE SEAT
36200366×6Available
View
9
SPHERICAL VALVE
36203266×6Available
10
SPRING D. 9,4X14,8
94737600×6Available
View
11
VALVE CAGE
36202551×6Available
View
12
INTAKE/DELIVERY VALVE
36712101×6Available
View
13
O-RING 23,81X2,62 (132)
90385700×6Available
14
ANTI-EXTR.RING D.24.7x29x1.5
90516500×3Available
View
18
O-RING 17,86X2,62 (123)
90384300×3Available
View
19
ANTI-EXTRUSION RING
90511500×3Available
View
22
WASHER 21,5X27X1,5
96751400×1Available
View
23
PLUG G 1/2X10 NICKEL
98217900×1Available
View
24
PLUG G. 3/8X13 NICKEL
98209900×1Available
View
26
PISTON BOLT
66219566×3Available
View
28
PISTON D.18X54
66040309×3Available
View
29
PACKING 18.0x28x10.0 HP 66
90265500×3Available
View
30
INTERMEDIATE RING D. 18 WK5021
66216370×3Available
View
31
SEAL D.18X26X6,5 L.P.
90265200×3Available
32
O-RING 34,65X1,78 (2137)
90361600×3Available

Need multiple parts? Request a bundled quote

54 parts available in our catalog — get a single quote with volume pricing

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Official WK5021 parts listIndustrial Pumps (Series 69)

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Interpump Products

3G Electric supplies Interpump pumps & compressors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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